<!DOCTYPE html>
<html>
<head>
    <title>比心心</title>
    <script type="text/javascript">
        //小心心的代码
        console.log('%c ~欢迎各位网友前来讨论和沟通学习~大吉大利，一起吃鸡~','color:#419bf5');
        ;(function(window,document,undefined){

                var hearts = [];
                window.requestAnimationFrame = (function(){
                        return window.requestAnimationFrame || 
                                   window.webkitRequestAnimationFrame ||
                                   window.mozRequestAnimationFrame ||
                                   window.oRequestAnimationFrame ||
                                   window.msRequestAnimationFrame ||
                                   function (callback){
                                           setTimeout(callback,1000/60);
                                   }
                })();
                init();
                function init(){
                        css(".heart{width: 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content: '';width: inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: absolute;}.heart:after{top: -5px;}.heart:before{left: -5px;}");
                        attachEvent();
                        gameloop();
                }
                function gameloop(){
                        for(var i=0;i<hearts.length;i++){
                            if(hearts[i].alpha <=0){
                                    document.body.removeChild(hearts[i].el);
                                    hearts.splice(i,1);
                                    continue;
                            }
                            hearts[i].y--;
                            hearts[i].scale += 0.004;
                            hearts[i].alpha -= 0.013;
                            hearts[i].el.style.cssText = "left:"+hearts[i].x+"px;top:"+hearts[i].y+"px;opacity:"+hearts[i].alpha+";transform:scale("+hearts[i].scale+","+hearts[i].scale+") rotate(45deg);background:"+hearts[i].color;
                    }
                    requestAnimationFrame(gameloop);
                }
                function attachEvent(){
                        var old = typeof window.onclick==="function" && window.onclick;
                        window.onclick = function(event){
                            event = window.event || e

                            //old && old();
                            createHeart(event);
                        }
                }
                function createHeart(event){

                    var d = document.createElement("div");
                    d.className = "heart";

                    hearts.push({
                            el : d,
                            x : event.clientX - 5,
                            y : event.clientY - 5,
                            scale : 1,
                            alpha : 1,
                            color : randomColor()
                    });
                    document.body.appendChild(d);
            }
            function css(css){
                    var style = document.createElement("style");
                        style.type="text/css";
                        try{
                            style.appendChild(document.createTextNode(css));
                        }catch(ex){
                            style.styleSheet.cssText = css;
                        }
                        document.getElementsByTagName('head')[0].appendChild(style);
            }
                function randomColor(){
                        return "rgb("+(~~(Math.random()*255))+","+(~~(Math.random()*255))+","+(~~(Math.random()*255))+")";
                }
        })(window,document);
        </script>
</head>
<body>

</body>
</html>